Dr. Jerry Brewer, a dermatologic surgeon in the Department of Dermatology at Mayo Clinic in Rochester, MN, discusses his article appearing in the August 2011 issue of Mayo Clinic Proceedings on the increased risk of metastasis in patients with CLL and Non-Hodgkin lymphoma who were previously diagnosed with malignant fibrous hystiocytoma. Available at: http://tinyurl.com/3h2xdsm